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Finding the Fourth Proportional to 6,339.66, 9,510.03 and 1,659.65

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Solution

The fourth proportional to 6,339.66, 9,510.03 and 1,659.65 is: 2,489.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,339.66 : 9,510.03 = 1,659.65 : x
  2. Step 2: Convert to fraction form
    6,339.66/9,510.03 = 1,659.65/x
  3. Step 3: Cross multiply
    6,339.66x = 9,510.03 × 1,659.65
  4. Step 4: Simplify right side
    6,339.66x = 15,783,273.74
  5. Step 5: Solve for x
    x = 15,783,273.74/6,339.66
  6. Step 6: Final answer
    x = 2,489.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.